// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.10;

interface ICurvePool {
    function coins(uint256 i) external view returns (address);

    function underlying_coins(uint256 i) external view returns (address);

    function balances(uint256 i) external view returns (uint256);

    function coins(int128) external view returns (address);

    function underlying_coins(int128) external view returns (address);

    function balances(int128) external view returns (uint256);

    function exchange(int128 i, int128 j, uint256 dx, uint256 min_dy) external;

    function exchange(uint256 i, uint256 j, uint256 dx, uint256 min_dy) external;

    function exchange_underlying(int128 i, int128 j, uint256 dx, uint256 min_dy) external;

    function exchange_underlying(uint256 i, uint256 j, uint256 dx, uint256 min_dy) external;

    function get_dy_underlying(int128 i, int128 j, uint256 dx) external view returns (uint256);

    function get_dy_underlying(uint256 i, uint256 j, uint256 dx) external view returns (uint256);

    function get_dy(int128 i, int128 j, uint256 dx) external view returns (uint256);

    function get_dy(uint256 i, uint256 j, uint256 dx) external view returns (uint256);

    function get_virtual_price() external view returns (uint256);

    function virtual_price() external view returns (uint256);

    function token() external view returns (address);

    function remove_liquidity_one_coin(uint256 _token_amount, int128 i, uint256 min_amount) external;

    function remove_liquidity_one_coin(uint256 _token_amount, uint256 i, uint256 min_amount) external;

    function A() external view returns (uint256);

    function A_precise() external view returns (uint256);

    function calc_withdraw_one_coin(uint256 _burn_amount, int128 i) external view returns (uint256);

    function calc_withdraw_one_coin(uint256 _burn_amount, uint256 i) external view returns (uint256);

    function admin_balances(uint256 i) external view returns (uint256);

    function admin() external view returns (address);

    function fee() external view returns (uint256);

    function admin_fee() external view returns (uint256);

    function block_timestamp_last() external view returns (uint256);

    function initial_A() external view returns (uint256);

    function future_A() external view returns (uint256);

    function initial_A_time() external view returns (uint256);

    function future_A_time() external view returns (uint256);

    function mid_fee() external view returns (uint256);

    // Some pools implement ERC20

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint256);

    function balanceOf(address) external view returns (uint256);

    function allowance(address, address) external view returns (uint256);

    function totalSupply() external view returns (uint256);
}